/**
 * $RCSfile$
 * $Revision: 7071 $
 * $Date: 2007-02-12 08:59:05 +0800 (Mon, 12 Feb 2007) $
 *
 * Copyright 2003-2007 Jive Software.
 *
 * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jivesoftware.smackx.provider;

import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.provider.IQProvider;
import org.jivesoftware.smackx.packet.*;
import org.xmlpull.v1.XmlPullParser;

/**
 * The DiscoverInfoProvider parses Service Discovery items packets.
 * 
 * @author Gaston Dombiak
 */
public class DiscoverItemsProvider implements IQProvider {

	public IQ parseIQ(XmlPullParser parser) throws Exception {
		DiscoverItems discoverItems = new DiscoverItems();
		boolean done = false;
		DiscoverItems.Item item;
		String jid = "";
		String name = "";
		String action = "";
		String node = "";
		discoverItems.setNode(parser.getAttributeValue("", "node"));
		while (!done) {
			int eventType = parser.next();

			if (eventType == XmlPullParser.START_TAG
					&& "item".equals(parser.getName())) {
				// Initialize the variables from the parsed XML
				jid = parser.getAttributeValue("", "jid");
				name = parser.getAttributeValue("", "name");
				node = parser.getAttributeValue("", "node");
				action = parser.getAttributeValue("", "action");
			} else if (eventType == XmlPullParser.END_TAG
					&& "item".equals(parser.getName())) {
				// Create a new Item and add it to DiscoverItems.
				item = new DiscoverItems.Item(jid);
				item.setName(name);
				item.setNode(node);
				item.setAction(action);
				discoverItems.addItem(item);
			} else if (eventType == XmlPullParser.END_TAG
					&& "query".equals(parser.getName())) {
				done = true;
			}
		}

		return discoverItems;
	}
}